Darwin

Intel

Currently tested on Darwin 7.x

Recommended compilergcc 3.3.2 or greater 3.3.* versions. Older versions will not compile on Darwin and 3.4.* versions don't support GNU runtime compilation on Darwin currently (The GCC bug report is http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11572).
gcc 4.0.3 or greater 4.* versions (the bug mentioned above has been fixed for 4.0.3 and newer)

Default compiler (Apple GCC) has unknown problems. Download the FSF GCC compiler (mirrors at http://gcc.gnu.org/mirrors.html) and configure it with -enable-threads=posix. You don't need binutils or anything else. Use the GNU runtime. Make sure to add

Special InstructionsRead the README.Darwin file in the gnustep-make/Documentation directory for complete instructions.

PowerPC

This section is for building the complete GNUstep system. This system will not interact at all with Mac OS X/Cocoa. It uses different complilers, different display systems, etc. For building GNUstep extensions to be used with Mac OS X (for instance, if you want to build something based on GNUstep, such as GSWeb or GNUMail), see the MacOSX/PowerPC section.

Currently tested on Darwin 6.x, 7.x, 8.x

Recommended compilergcc 3.3.2 or greater 3.3.* versions. Older versions will not compile on Darwin and 3.4.* versions don't support GNU runtime compilation on Darwin currently (The GCC bug report is http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11572).
gcc 4.0.3 or greater 4.* versions (the bug mentioned above has been fixed for 4.0.3 and newer)
Apple GCC with Xcode 2.5.

Extra libs neededUse libffi (not ffcall). This should be enabled by default in gnustep-base so you don't have to type --enable-libffi. For 6.x, you need the dlcompat library (from www.opendarwin.org) to load bundles (not needed for 7.x).

Special InstructionsRead the README.Darwin file in the gnustep-make/Documentation directory for complete instructions.

FreeBSD-Kernel w/ GNU userland, and GNU C library

FreeSBIE

MidnightBSD

MidnightBSD is based on FreeBSD 6.1 pre-release. The goal of the project is to create a BSD with ease of use and simplicity in mind.

The most intriguing thing about MidnightBSD is their integration of GNUstep into the system.

PicoBSD

PicoBSD is a one floppy version of FreeBSD 3.0-current. You won't be able to use it as a platform for GNUstep.

PC-BSD

PC-BSD has as its goals to be an easy to install and use desktop OS, which is built on the FreeBSD operating system.

Mac OS X

Full Install

GNUstep *does* work on OS X 10.4 and later, too, but it will not work out of the box with the dependencies built from MacPorts (and I guess from fink either). The problem is not the Apple linker per se, but rather that many of our dependencies nowadays depend directly or indirectly on CoreFoundation on OS X and, unfortunately, CoreFoundation started to depend on Apple's libobjc in 10.4.

To successfully build and run GNUstep on Mac OS X 10.4 and later, you need (at least) to configure aspell with --disable-nls (the nonls variant of aspell should do for MacPorts). Next, you need a freetype configured with --without-old-mac-fonts (unfortunately no help from MacPorts here and the freetype shipped with Mac OS X 10.5 will not work either). Apart from that, configure GNUstep-base with --disable-tls and GNUstep-back with --disable-glx and use either the libart (the default) or xlib backend. Eventually, I may have forgotten some other libraries in this list, but you will notice that when looking at the crash report being produced in ~/Library/Logs/CrashReporter. Look for a line containing /usr/lib/libobjc.A.dylib.

Extensions Install

This section is for building the GNUstep extensions only. Use this if, for instance, if you want to build something based on GNUstep, such as GSWeb or GNUMail. If you want to build the complete GNUstep system independant of Mac OS X, see the Full Install section above or Darwin/PowerPC section.

Special InstructionsWarning ! To know how to install a complete GNUstep system on Mac OS X, read the Darwin/PowerPC section. By default, on Mac OS X, only the GNUstep extensions are built. Read the README.Darwin file in the gnustep-make/Documentation directory for complete instructions.

To build the GNUstep extensions only is useful, when you want to build on Mac OS X, GNUstep related projects like gdl2, etc linked to Cocoa. Xcode project files exist, but they may not be up-to-date. Make sure /usr/sbin is in your path:

NetBSD

Installing GNUstep from pkgsrc is really straight-forward for NetBSD if you're using a recent pkgsrc distribution. NetBSD/i386 has no known problems right now, however there are reports of crashout problems for gdomap on NetBSD/sparc which may be related to ffi/ffcall issues.

In terms of pre-requisites, ensure you've got a working X11 environment on your system and preferrably are using WindowMaker as your window manager.

Build instructions

To install GNUstep, you need to cd to your pkgsrc tree and then cd to the right package directory, on my system:

cd /usr/pkgsrc

then go to the package you wish to install, for example:

cd meta-pkgs/gnustep

and issue the command:

make install

This command will download source code and whatever dependencies and compile and install them. The version of the meta-packages I used (released with NetBSD 2.0 and called gnustep-1.10.0nb2) installs the following GNUstep components as parts of the meta-package:

gnustep-make-1.10.0

gnustep-base-1.10.1

gnustep-ssl-1.10.1

gnustep-gui-0.9.4

gnustep-back-0.9.4

gnustep-examples-1.0.0

ImageViewer-0.6.3

Pantomime-1.1.2

Addresses-0.4.6

GNUMail-1.1.2

Gorm-0.8.0

ProjectCenter-0.4.0

GWLib-0.6.5

Renaissance-0.8.0

gworkspace-0.6.5

A number of dependency packages are also installed.

This may be overkill - if you don't need all the applications etc, you can install the packages individually.

OpenBSD

Since many years, GNUstep is available in the OpenBSD ports tree. Packages are available for amd64, i386, and powerpc.
The packages are based on the latest releases. Since some time, using libobjc2, but compiled with the system gcc.
For easy installation, a meta package is provided.

sudo pkg_add -i gnustep-desktop

Above command will install the meta package, and all the packages from the x11/gnustep part of the ports tree.